Stock-based Compensation (Vornado Restricted Stock) (Narrative) (Details) - Vornado Restricted Stock - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	4 years
Distributions, share-based compensation	$ 2	$ 18	$ 35
Vested in period, fair value	$ 291	$ 428	$ 567

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details